#8599DF
Closest named color: Perrywinkle (#8F8CE7). oklch(69.5% 0.106 271.3), rgb(133, 153, 223).
Aa
Black text reads best on this color (7.61:1).
About this color
#8599DF is a medium-light, moderately saturated blue. In OKLCH its lightness is 70%, its chroma 0.106 and its hue 271°. Its hue sits on the cool side of the wheel. The nearest named color is Perrywinkle (#8F8CE7), ΔE 0.040 away. Black text reads best on it, at 7.61:1.
| Hue family | Blues |
| Lightness | medium-light (70%) |
| Chroma | moderately saturated (0.106) |
| Temperature | cool |
| Nearest name | Perrywinkle (#8F8CE7) |
| Black text | 7.61:1 |
| White text | 2.75:1 |
Values
| HEX | #8599DF |
| RGB | rgb(133, 153, 223) |
| HSL | hsl(227, 58%, 70%) |
| OKLCH | oklch(69.5% 0.106 271.3) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #8599DF | 2.75:1 | Fails | Lc -58.4 | Large or bold text, headings |
| Black text on #8599DF | 7.61:1 | AAA | Lc 50.9 | Large or bold text, headings |
| #8599DF text on white | 2.75:1 | Fails | Lc 53.2 | Large or bold text, headings |
| #8599DF text on black | 7.61:1 | AAA | Lc -48.7 | Large or bold text, headings |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 400.
-
Step 50
50
#F3F5FC
oklch(97.1% 0.01 273.4)
-
Step 100
100
#E5E9F7
oklch(93.5% 0.019 273.2)
-
Step 200
200
#D0D8F2
oklch(88.4% 0.037 272)
-
Step 300
300
#B1BFEC
oklch(80.9% 0.066 271.4)
-
Step 400
400 (this color)
#8599DF
oklch(69.5% 0.106 271.3)
-
Step 500
500
#6C83DB
oklch(63.2% 0.135 271.1)
-
Step 600
600
#556AC8
oklch(55.5% 0.147 271.4)
-
Step 700
700
#4658AD
oklch(49.1% 0.136 271.5)
-
Step 800
800
#39498C
oklch(42.8% 0.112 270.9)
-
Step 900
900
#313D70
oklch(37.6% 0.088 271.6)
-
Step 950
950
#1D2442
oklch(27% 0.057 272.2)
#8599DF with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #81A0E2 | 0.018 |
| Deuteranopia (no green cones) | #7998DD | 0.016 |
| Tritanopia (no blue cones) | #68A7B2 | 0.094 |
| Achromatopsia (no color) | #9C9C9C | 0.106 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #8599DF
#8599DF
oklch(69.5% 0.106 271.3)
- #B59A49
#B59A49
oklch(69.4% 0.105 91)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #8599DF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Perrywinkle #8F8CE7 ΔE 0.040
- Periwinkle Blue #8F99FB ΔE 0.045
- Cornflower Blue #6495ED ΔE 0.046
- Lavender Blue #8B88F8 ΔE 0.064
- Soft Blue #6488EA ΔE 0.069
- Chefchaouen Blue #4895EF ΔE 0.070
- Pale Purple #B790D4 ΔE 0.073
- Cool Gray #8D99AE ΔE 0.074
Use #8599DF in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.